Two questions; how much does it cost and how does it taste? Good luck trying to stop people from smuggling in their own alcohol to events now. That is, assuming the answer to both original questions is at least reasonable.
"Russian professor Evgeny Moskalev of Saint Petersburg Technological University has evolved a technique that allows turning alcohol into powder and packing it in pills. The new technique can solidify any kind of alcohol, including whisky, cognac, wine and beer.
“Dry” vodka can be wrapped in paper and carried around in a pocket or a bag. Vodka in form of a pill would come handy at parties when “consumers” would be able to calculate their exact required dosage."